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10.4-9.6×0.5怎么简算
人气:236 ℃ 时间:2019-09-26 00:23:01
解答
10.4-9.6×0.5
=10.4-9.6÷2
=10.4-4.8
=10.4-(5-0.2)
=10.4-5+0.2
=5.4+0.2
=5.6
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